天空中雨云密集时,常常会伴有雷鸣和闪电发生。黑夜里,闪亮耀眼的闪光划破了漆黑的夜空,那是多么眩目的景象。然而美丽的闪电也可以给人带来致命的伤害。一个被闪电击中者的命运是在千分之一秒里被决定的,击中他的是一条带电量为2～4万安培,有几公里长但只有几毫米粗细的电流。电流周围的空气被加 When rain clouds are dense in the sky, thunder and lightning often occur. In the darkness, the glittering sparkle pierced the dark night sky, how dazzling it was. However, beautiful lightning can also bring fatal damage. The fate of a person struck by lightning was determined in one thousandth of a second. Hit him was a current with a capacity of 20,000 to 40,000 amps and a few kilometers long but only a few millimeters thick. The air around the current is added